A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
Filters
A study of future communications concepts and technologies for the national airspace system-Part I
2013
2013 IEEE/AIAA 32nd Digital Avionics Systems Conference (DASC)
Preserved Fulltext
CANDIDATE TECHNOLOGY ANALYSIS Current Technologies Current communication technologies for aviation include dedicated HF, narrow-band VHF systems; shared low-speed satellite systems such as INMERSAT Classic ...
suitability in a post-NextGen NAS environment. ...
John A. Cavolowsky, Dr. Parimal H. Kopardekar, Mr. Rudolph A. Aquilina, and, Ms. Nazaret C. Galeon. ...
doi:10.1109/dasc.2013.6712561
fatcat:jusnwlu6nnbsbgjttvknpgsklu
Non-Satellite Broadband Maritime Communications for e-Navigation Services
2021
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
The overall architecture of the system includes both terrestrial and satellite radio communication links in the VHF maritime mobile bands [24] . ...
VHF Data Exchange System [35] defines a list of communication scenarios, regulates access of existing services to terrestrial and satellite frequency bands currently used for maritime communications ...
doi:10.1109/access.2021.3074476
fatcat:rwqnqq4jbrff3jz3nfyvpxlqt4
Toward a Next Generation Architecture for Public Safety Communications
2006
Social Science Research Network
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
The early voice systems operating at both Low Band and High Band consisted essentially of a base station transmitter-receiver combination, an antenna tower and antenna, and the individual mobile transmitter-receiver ...
These two mobile radio bands in the 40 MHz and 150 MHz portion of the VHF range became known as Low Band and High Band respectively. ...
interface, noting that a multimode radio that could provide both broadband and P25 access would be most economical. ...
doi:10.2139/ssrn.903151
fatcat:6gx57fa5afbzdpyovm6ciedrke
The Future of Radio Revisited: Expert Perspectives and Future Scenarios for Radio Media in 2025
2017
Journal of radio & audio media
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2019; you can also visit the original URL.
The file type is application/pdf.
Stephen Lax is a senior lecturer in communication technology in the School of Media and Communication, University of Leeds, UK. ...
Instead of a transition from analog to digital audio broad-casting (DAB), there was a selection of alternative technological options for digital audio delivery. ...
Finland and Sweden will release the 700 MHz band for mobile already in 2017: a rapid transition is possible partly because also VHF Band III frequencies are used for TV broadcasting. ...
doi:10.1080/19376529.2017.1310574
fatcat:fsu4jsar7ff2hi77xf5e44dr2m
UAV-Empowered Disaster-Resilient Edge Architecture for Delay-Sensitive Communication
[article]
2019
arXiv
pre-print
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Other Versions
The fifth-generation (5G) communication systems will enable enhanced mobile broadband, ultra-reliable low latency, and massive connectivity services. ...
Then, we discuss the spectrum bands allocated for PS-LTE in major countries by international telecommunication union (ITU). ...
INTRODUCTION The fifth-generation (5G) communications system is targetting broadband and ultra-reliable communications to meet users' diverse requirements. ...
arXiv:1809.09617v2
fatcat:3fzexidkora5npstd2jk2gdmwm
Current Situation and Future Innovations in Arctic Communications
2015
2015 IEEE 82nd Vehicular Technology Conference (VTC2015-Fall)
Preserved Fulltext
The Internet Archive has a preservation copy of this work in our general collections.
The file type is application/pdf.
As also addressed in this article, satellite links could additionally backhaul terrestrial networks for local communications. ...
By melting of the ice caps, the undergoing change of the north polar area opens new opportunities and, therefore, increases the need for human and machine-to-machine communications. ...
Many different groups have diverse communication requirements. ...
doi:10.1109/vtcfall.2015.7390883
dblp:conf/vtc/PlassCB15
fatcat:5qrdf7ztfbb5zisa2dmr7lnfu4
Performance Analysis of a 5G Transceiver Implementation for Remote Areas Scenarios
2018
2018 European Conference on Networks and Communications (EuCNC)
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2020; you can also visit the original URL.
The file type is application/pdf.
Note that this fulltext copy is not of the "primary" version of this work. The version it corresponds to is:
2019 pre-print arXiv:1905.00756v1 fatcat:hugu7ulrnffblndodqbfma5pom
The fifth generation of mobile communication networks will support a large set of new services and applications. One important use case is the remote area coverage for broadband Internet access. ...
The performance of the prototype is evaluated regarding its out-of-band emissions and bit error rate under AWGN channel. ...
Since the transceiver employs two transmit and receive antennas, the system can achieve a diversity of order 4 (MIMO 2x2). ...
doi:10.1109/eucnc.2018.8443268
dblp:conf/eucnc/DiasGMCMNF18
fatcat:yyguovworbbsredunxnzalwi4i
Radio Propagation in Terrestrial Broadcasting Television Systems: a Comprehensive Survey
2021
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
For more information, see https://creativecommons.org/licenses/by/4.0/ 34790 VOLUME 9, 2021 VOLUME 9, 2021 FIGURE 2. Propagation mechanisms affecting DTTB systems. ...
Propagation phenomena have a direct (and possibly critical) impact on those three pillars. This paper fills the current gap of a thorough survey on propagation methods and models for broadcasting. ...
The free spectrum on both VHF and UHF bands is under consideration for wireless broadband Internet access, especially in rural areas, although part of the lower VHF spectrum has already been pursued by ...
doi:10.1109/access.2021.3061034
fatcat:hpi7hmyg3rbmdjanx6y5udofzy
Interoperability Among Heterogeneous Networks for Future Aeronautical Communications
[chapter]
2011
Future Aeronautical Communications
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2017; you can also visit the original URL.
The file type is application/pdf.
The Ku-band system is used for receive mode only to reduce the number of antennas and the L-band will use the INMARSAT Swift Broadband link capable of both transmit and receive functions. ...
The Antennas include a hybrid Ku/L band Integrated Antenna (IA), a VHF antenna and a C-band antenna. The IA is a hybrid Ku/L band SatCom antenna to enable an asymmetric broadband link. ...
Aeronautical communications is seen as a major bottleneck stressing capacity limits in air transportation. ...
doi:10.5772/29304
fatcat:l3ax7ls5s5g3vgcsslwfwl3zui
Personal Satellite Services
2012
EAI Endorsed Transactions on Ubiquitous Environments
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
In more detail, among the topics that deal with Personal Satellite Services, this special issue focuses on four topics: i) dual frequency receivers performance for Galileo-based tracking services; ii) ...
integrated radio systems; iii) transport layer protocols; iv) security issues in Delay Tolerant Networks. ...
Alongside existing systems such as VHF Data Link Mode 2, new systems such as LDACS and AeroMACS are being proposed along with satellite communications. ...
doi:10.4108/trans.ubienv.2012.e2
fatcat:4xffrmd6lfhnjkg5pxa6m3lcky
Transformative Choices: A Review of 70 Years of FCC Decisions
2011
Journal of Information Policy
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
What lessons does history offer about telecommunications regulation in a time of fundamental change? ...
He offers some relevant factors for guidance as new situations develop. ...
from incumbent operators in the VHF band who had large investments in VHF transmitters and receivers. 43 ntermixing" (assigning VHF and UHF stations to compete in the same communities) was doomed to ...
doi:10.5325/jinfopoli.1.2011.6
fatcat:6ywued5bhncpphet7us376nq5y
Aeronautical Networks for In-Flight Connectivity: A Tutorial of the State-of-the-Art and Survey of Research Challenges
2022
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2022; you can also visit the original URL.
The file type is application/pdf.
. • High Frequency (HF) and Very High Frequency (VHF) Links: The HF and VHF links could be used for the aeronautical voice communications based on the Single Side-Band Amplitude Modulation (SSB-AM) and ...
Therefore, the environmental and mobility effects cause specific challenges for AANETs. ...
The VDL refers to digital communications on the VHF band. ...
doi:10.1109/access.2022.3151658
fatcat:bgfauxthlzeanocnsj7casuqmq
Spectrum Challenges for Modern Mobile Services
2013
Journal of ICT Standardization
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2018; you can also visit the original URL.
The file type is application/pdf.
Proliferation of wireless services and demand of greater mobility has exerted pressure on spectrum manager to make available additional spectrum in lower bands. ...
With current spectrum management practice, no spectrum below 3 GHz is free/readily available for new services. Spectrum sharing is one solution to make available additional spectrum for new services. ...
Trends Contributing to Increased Demand for Mobile Broadband Despite its short history, mobile broadband seems to have a higher growth impact relative to communication technologies, such as fixed and mobile ...
doi:10.13052/jicts2245-800x.12a2
fatcat:xekqslpvfbf6pmi4bpwuy3pvoi
5G Mobile Phone Network Introduction in Colombia
2021
Electronics
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
), and frequency bands, and evaluate the current stage of its introduction in Colombia. ...
This is the case in Colombia, where the assignment of the first 5G band is planned for the third quarter of 2021. ...
Comparison of MIMO in 5G vs. 4G 2 × 2 MIMO systems are successfully used for 4G mobile networks, and a large number of antenna elements are added for 5G communications. ...
doi:10.3390/electronics10080922
fatcat:zlwfw4jry5fxhahcc65jbbfut4
Maritime Networking: Bringing Internet to the Sea
2019
IEEE Access
Preserved Fulltext
A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2021; you can also visit the original URL.
The file type is application/pdf.
In spite of the need to achieve performance close to high-speed terrestrial wireless broadband service on land, there is only a perfunctory effort to investigate maritime networks. ...
The objective is to establish a foundation in order to motivate a new research interest in maritime networks. ...
There are a range of VHF radio channels for a diverse range of purposes; for instance, a marine-band VHF channel at 156.975 MHz (or channel 79) caters for operational, navigation, and safety matters in ...
doi:10.1109/access.2019.2909921
fatcat:ms33xi2s5zhwncqvxlf5andr2a
« Previous
Showing results 1 — 15 out of 403 results